CVE-2024-0640Public exploitNetwork attack vector

Admin-to-admin script execution via unsafe dashboard URL

Published Mar 20, 2025 · Updated Mar 20, 2025

Stored XSS in Chatwoot 3.0.0 through 3.5.1 allows remote authenticated users to execute JavaScript when another admin opens a dashboard app. DashboardApp validation accepts any syntactically valid URI as frame content, allowing a crafted non-HTTP scheme to be stored and later loaded. An administrator must save the content and another administrator must open it, exposing data and actions available to the viewer's browser session.

CVSS severity4.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Chatwoot 3.0.0 through 3.5.1 allows remote authenticated users to execute JavaScript when another admin opens a dashboard app. DashboardApp validation accepts any syntactically valid URI as frame content, allowing a crafted non-HTTP scheme to be stored and later loaded. An administrator must save the content and another administrator must open it, exposing data and actions available to the viewer's browser session.

The record

CVE
CVE-2024-0640
Published
Mar 20, 2025
Updated
Mar 20, 2025
Vendor
Chatwoot
Product
Chatwoot
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <3.5.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Chatwoot · Chatwootversion=unspecified <3.5.2

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
5.6huntr.devCVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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